00196062-03_SM_LDU-X_EN.pdf - 第32页

4 Service Work 4.2 Replacing Spare Parts 32 Service Manual SIPLACE LDU-X Linear Dipping Unit 11/2017 ► Loosen the 3 screws fastening the cover plate. ► Loosen the screws fastening the dis- play board. ► Gently lever the …

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4 Service Work
4.2 Replacing Spare Parts
Service Manual SIPLACE LDU-X Linear Dipping Unit 11/2017 31
4.2.11 Replacing the Display Board
Overview
Display board [03055413-xx]
1. Display
2. Switch for membrane key
3. Connection to the LDU-X control
board
Equipment required
●
Standard tools
●
Allen key size 2 and 5
●
Spare part: display board [03055413-xx]
Removal
► Loosen the two fastening screws (2)
at the front of the LDU-X and carefully
remove the display (1) .
► Disconnect the plug from the display.
4 Service Work
4.2 Replacing Spare Parts
32 Service Manual SIPLACE LDU-X Linear Dipping Unit 11/2017
► Loosen the 3 screws fastening the
cover plate.
► Loosen the screws fastening the dis-
play board.
► Gently lever the board (1) out of the
display housing (2) e.g. with a flat
screwdriver.
4 Service Work
4.2 Replacing Spare Parts
Service Manual SIPLACE LDU-X Linear Dipping Unit 11/2017 33
Installation
1. Display board
2. Display housing
3. Switch on the display board
4. Studs (bumps) on the buttons
 CAUTION!
During the installation make sure that
the studs (bumps) (4) on the buttons
properly clip into the switch cavities
(3) on the display board.
.
► Further installation is performed by following the above instructions in the reverse order.
► Check the contrast of the display after the replacement and adjust it correctly if required.
4.2.12 Setting the Display Contrast
NOTICE
The display contrast cannot be set for an LDU-X with re-fill unit.
Equipment required
●
Small screwdriver
Setting the contrast
► Place the LDU-X onto the machine.
► Switch the LDU-X on.
► Open the front flap (1) of the LDU-X,
so that the underside of the display
unit(2) is accessible.
Display board
The display board is located on the under-
side of the display. This has a rotary en-
coder (1) (potentiometer) for the display
contrast.
► Use the small screwdriver to set the
rotary encoder so that the display can
be read easily.
 NOTICE!
Optimum setting
The setting is correct when you can
no longer see the gray segments be-
hind the numbers.
.